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ext4 subsystem


List(s): linux-ext4@vger.kernel.org
Fixed bugs: 180
Parent subsystem(s): fs (127)
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
kernel BUG in ext4_write_inline_data_end (3) ext4 -1 syz 1 5d02h 4d09h PATCH [2d11h]
KASAN: use-after-free Read in ext4_search_dir (3) ext4 prio:high actionable 19 1 16d 11d
INFO: task hung in ext4_write_end ext4 prio:high 1 syz error 3 18d 18d
INFO: task hung in ext4_load_tail_bh ext4 1 C 1 2d09h 18d
KASAN: use-after-free Read in ext4_xattr_list_entries (2) actionable prio:high ext4 19 3 15d 40d
kernel BUG in ext4_write_inline_data (5) prio:high ext4 -1 syz error 5 10h18m 41d
INFO: task kworker/u8:NUM:NUM blocked in I/O wait for more than NUM seconds. (2) prio:high ext4 -1 5 55d 55d
BUG: unable to handle kernel NULL pointer dereference in qlist_free_all (10) prio:low mm ext4 10 C 3 46d 60d
possible deadlock in ext4_map_blocks (3) prio:low ext4 4 1 66d 62d
INFO: task jbd2/sda1-NUM:NUM blocked in I/O wait for more than NUM seconds. prio:low ext4 -1 C 12 54d 80d PATCH [28d]
BUG: sleeping function called from invalid context in jbd2_journal_commit_transaction prio:high ext4 5 1 88d 84d
WARNING in jbd2_journal_dirty_metadata (3) prio:high ext4 -1 4 22d 88d
KASAN: use-after-free Read in xattr_find_entry (2) prio:high ext4 19 C error error 3 137d 147d PATCH [101d]
INFO: task hung in block_read_full_folio (3) prio:high ext4 1 C error error 9 1d01h 159d
kernel BUG in ext4_es_cache_extent (4) prio:high ext4 -1 C error error 15 117d 161d 💬 8 [129d]
possible deadlock in wait_transaction_locked (3) prio:high ext4 4 C error 719 8h15m 202d PATCH [10d]
possible deadlock in evict (4) prio:high ext4 4 31 2d23h 235d
INFO: task hung in __start_renaming prio:high ext4 1 C done error 71 25d 238d 💬 11 [237d]
possible deadlock in ext4_xattr_set_handle (7) prio:high ext4 4 C unreliable 1881 1h40m 249d PATCH [6d11h]
possible deadlock in ext4_destroy_inline_data (2) prio:low ext4 4 C error 8435 38m 256d PATCH [32d]
possible deadlock in ext4_evict_inode (5) prio:high ext4 4 C error 547 1d15h 257d PATCH [6d11h]
WARNING in ext4_xattr_inode_update_ref (2) prio:low ext4 -1 C error 13345 38m 262d PATCH [32d]
WARNING in get_data prio:high ext4 -1 C error 1613 251d 268d
WARNING in ext4_write_inode (3) prio:high ext4 -1 10 46d 277d
KMSAN: uninit-value in fscrypt_crypt_data_unit ext4 fscrypt prio:high 7 C 202 34d 279d PATCH [26d]
INFO: rcu detected stall in unwind_next_frame (5) prio:low ext4 1 C error error 55 1d16h 279d
INFO: rcu detected stall in ext4_file_mmap_prepare prio:high ext4 1 C error 2 71d 306d
possible deadlock in do_writepages (2) prio:normal ext4 4 C unreliable 818 1d02h 307d
WARNING in ext4_mb_load_buddy_gfp prio:high ext4 mm -1 C 7 142d 308d PATCH [298d]
possible deadlock in ext4_truncate (2) prio:high ext4 4 C unreliable error 3 92d 329d 💬 4 [328d]
INFO: rcu detected stall in wb_workfn (4) prio:normal ext4 1 C error error 65 37d 374d 💬 1 [233d]
KASAN: slab-use-after-free Read in __ext4_check_dir_entry prio:high ext4 19 C error error 6 29d 385d PATCH [14d]
INFO: rcu detected stall in ext4_end_io_rsv_work (3) prio:normal mm ext4 1 C error error 3 197d 434d
kernel BUG in ext4_ext_insert_extent (2) prio:high ext4 -1 C done error 38 128d 465d
INFO: task hung in find_inode_fast (4) ext4 1 C error error 27 3d08h 574d PATCH [21d]
INFO: task hung in do_get_write_access (3) prio:low ext4 1 C error 467 8d17h 603d
divide error in qnx6_mmi_fill_super prio:high ext4 2 C unreliable inconclusive 7 16d 625d PATCH [623d]
WARNING in ext4_iomap_begin (3) prio:high ext4 -1 C inconclusive error 132 18d 627d
possible deadlock in ext4_writepages (2) prio:high ext4 4 C unreliable 17796 10m 638d 💬 1 [9d21h]
WARNING in ext4_journal_check_start (2) ext4 -1 C inconclusive inconclusive 81 4d17h 640d PATCH [437d]
KASAN: out-of-bounds Read in ext4_xattr_set_entry prio:high ext4 22 C error 7792 2h49m 666d PATCH [206d]
KASAN: use-after-free Read in ext4_inlinedir_to_tree ext4 19 C done error 6 198d 690d 💬 1 [690d]
kernel BUG in ext4_mb_use_inode_pa (2) ext4 -1 C error 358 15h40m 711d
WARNING in ext4_xattr_inode_lookup_create prio:low ext4 -1 C inconclusive error 1002 12d 783d PATCH [782d]
INFO: task hung in jbd2_journal_commit_transaction (5) ext4 1 C error error 2206 10h11m 796d
INFO: task hung in do_renameat2 (2) prio:high ext4 1 C inconclusive error 278 198d 805d
WARNING in ext4_xattr_set_entry (2) ext4 -1 C error 9 796d 830d
INFO: task hung in sync_inodes_sb (5) xfs ext4 1 C error inconclusive 3007 6d23h 1098d
WARNING: locking bug in ext4_ioctl ext4 4 C done done 923 590d 1141d PATCH [660d]
WARNING: locking bug in __ext4_ioctl ext4 4 C done error 849 607d 1141d
kernel BUG in ext4_do_writepages prio:high ext4 -1 C error 3671 8h29m 1310d PATCH [17d]
kernel BUG in __ext4_journal_stop ext4 -1 C error done 44 3d02h 1330d 💬 7 [860d]
Title Rank 🛈 Repro Cause bisect Fix bisect Count Last Reported Discussions
KCSAN: data-race in __filemap_add_folio / sync_bdevs (4) ext4 race:benign prio:low 6 1 20d 20d
KCSAN: data-race in xas_find_marked / xas_init_marks (7) ext4 race:benign prio:low 6 2 16d 28d
KCSAN: data-race in data_push_tail / uuid_string (6) race:benign prio:high ext4 6 2 24d 50d
KCSAN: data-race in has_bh_in_lru / invalidate_bh_lru (9) prio:high ext4 6 6 40d 158d
KCSAN: data-race in atime_needs_update / inode_update_time prio:low ext4 6 14 2d19h 160d
KCSAN: data-race in _prb_read_valid / prb_reserve_in_last (2) prio:low ext4 6 40 10d 361d
KCSAN: data-race in copy_folio_from_iter_atomic / copy_folio_from_iter_atomic prio:low ext4 6 194 1d02h 410d
KCSAN: data-race in find_get_block_common / has_bh_in_lru prio:low ext4 6 311 4d18h 450d
KCSAN: data-race in _prb_read_valid / data_alloc net ext4 prio:low 6 544 2h17m 450d
KCSAN: data-race in data_push_tail / vsnprintf (9) prio:low ext4 net 6 239 7h53m 514d
KCSAN: data-race in data_alloc / data_push_tail (3) prio:low ext4 6 74 4d09h 680d
KCSAN: data-race in atime_needs_update / touch_atime (2) prio:low ext4 6 682 1d17h 899d
KCSAN: data-race in __filemap_add_folio / nr_blockdev_pages (3) prio:low ext4 mm 6 177 11d 953d
KCSAN: data-race in filemap_splice_read / filemap_splice_read prio:low ext4 6 1581 19h35m 956d
KCSAN: data-race in data_alloc / prb_reserve net ext4 prio:low 6 1290 9h31m 1942d
KCSAN: data-race in _prb_read_valid / prb_reserve bridge ext4 prio:high 6 3917 1d20h 2079d
KCSAN: data-race in __find_get_block / has_bh_in_lru ext4 6 syz 2497 450d 2359d